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    Thermostat housing opinions

    I need to replace the very badly corroded Thermo housing on my Sons 1988 Sea Ray 4.3L. I see a high dollar Mercruiser part along with cheaper ones that are stainless steel without balls (supposedly using an orifice in lieu of balls/spring), and aftermarket cast iron units. Any one have feedback...
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    Water pump base

    My Son bought a 1988 Sea Ray with the 4.3l. It has the ivory colored early alpha one. (OB9330219)I pulled the drive to do a water pump. I went to our local boat parts place to buy Mercruiser OE parts. They came up with 2 options on the water pump base. One is per our drive # and one is per match...
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